Creator
- Oregon State University49
- Lane County Historical Society (Or.)18
- Oregon State University. Agricultural Experiment Station17
- Oregon State College. Extension Service11
- Oregon State University. Extension Service10
- Forest Products Laboratory (U.S.)9
- Oregon State College. Agricultural Experiment Station8
- Lane County Pioneer Historical Society (Or.)6
- Oregon Agricultural College6
- Oregon State University. Forest Research Laboratory6
- United States. Forest Service6
- Gilkey, Helen M., 1886 19725
- Oregon. Dept. Of Geology And Mineral Industries5
- Pyke, David A.5
- Chambers, Jeanne C.4
- Et Al.4
- Frenkel, Robert E.4
- Oregon Agricultural College. Experiment Station4
- Oregon Agricultural College. Extension Service4
- Oregon State College. Federal Cooperative Extension Service4